diff --git a/core/go.mod b/core/go.mod
index 460788be..7d090e85 100644
--- a/core/go.mod
+++ b/core/go.mod
@@ -14,7 +14,7 @@ require (
 	github.com/google/go-cmp v0.7.0
 	github.com/open-feature/flagd-schemas v0.2.9-0.20250127221449-bb763438abc5
 	github.com/open-feature/open-feature-operator/apis v0.2.44
-	github.com/prometheus/client_golang v1.21.0
+	github.com/prometheus/client_golang v1.21.1
 	github.com/robfig/cron v1.2.0
 	github.com/stretchr/testify v1.10.0
 	github.com/twmb/murmur3 v1.1.8
diff --git a/core/go.sum b/core/go.sum
index 3d734ada..80729903 100644
--- a/core/go.sum
+++ b/core/go.sum
@@ -242,6 +242,8 @@ github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+
 github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
 github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
+github.com/prometheus/client_golang v1.21.1 h1:DOvXXTqVzvkIewV/CDPFdejpMCGeMcbGCQ8YOmu+Ibk=
+github.com/prometheus/client_golang v1.21.1/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
diff --git a/flagd-proxy/go.mod b/flagd-proxy/go.mod
index 5de51233..4234e6b4 100644
--- a/flagd-proxy/go.mod
+++ b/flagd-proxy/go.mod
@@ -10,7 +10,7 @@ require (
 	github.com/dimiro1/banner v1.1.0
 	github.com/mattn/go-colorable v0.1.14
 	github.com/open-feature/flagd/core v0.11.2
-	github.com/prometheus/client_golang v1.21.0
+	github.com/prometheus/client_golang v1.21.1
 	github.com/spf13/cobra v1.9.1
 	github.com/spf13/viper v1.19.0
 	go.opentelemetry.io/otel/exporters/prometheus v0.56.0
diff --git a/flagd-proxy/go.sum b/flagd-proxy/go.sum
index 1a98b83d..06a8e507 100644
--- a/flagd-proxy/go.sum
+++ b/flagd-proxy/go.sum
@@ -260,6 +260,8 @@ github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+
 github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
 github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
+github.com/prometheus/client_golang v1.21.1 h1:DOvXXTqVzvkIewV/CDPFdejpMCGeMcbGCQ8YOmu+Ibk=
+github.com/prometheus/client_golang v1.21.1/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=
diff --git a/flagd/go.mod b/flagd/go.mod
index 57b89a13..561884bb 100644
--- a/flagd/go.mod
+++ b/flagd/go.mod
@@ -13,7 +13,7 @@ require (
 	github.com/gorilla/mux v1.8.1
 	github.com/mattn/go-colorable v0.1.14
 	github.com/open-feature/flagd/core v0.11.2
-	github.com/prometheus/client_golang v1.21.0
+	github.com/prometheus/client_golang v1.21.1
 	github.com/rs/cors v1.11.1
 	github.com/rs/xid v1.6.0
 	github.com/spf13/cobra v1.9.1
diff --git a/flagd/go.sum b/flagd/go.sum
index 92da0b69..09a9742a 100644
--- a/flagd/go.sum
+++ b/flagd/go.sum
@@ -270,6 +270,8 @@ github.com/prometheus/client_golang v1.20.5 h1:cxppBPuYhUnsO6yo/aoRol4L7q7UFfdm+
 github.com/prometheus/client_golang v1.20.5/go.mod h1:PIEt8X02hGcP8JWbeHyeZ53Y/jReSnHgO035n//V5WE=
 github.com/prometheus/client_golang v1.21.0 h1:DIsaGmiaBkSangBgMtWdNfxbMNdku5IK6iNhrEqWvdA=
 github.com/prometheus/client_golang v1.21.0/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
+github.com/prometheus/client_golang v1.21.1 h1:DOvXXTqVzvkIewV/CDPFdejpMCGeMcbGCQ8YOmu+Ibk=
+github.com/prometheus/client_golang v1.21.1/go.mod h1:U9NM32ykUErtVBxdvD3zfi+EuFkkaBvMb09mIfe0Zgg=
 github.com/prometheus/client_model v0.0.0-20190812154241-14fe0d1b01d4/go.mod h1:xMI15A0UPsDsEKsMN9yxemIoYk6Tm2C1GtYGdfGttqA=
 github.com/prometheus/client_model v0.6.1 h1:ZKSh/rekM+n3CeS952MLRAdFwIKqeY8b62p8ais2e9E=
 github.com/prometheus/client_model v0.6.1/go.mod h1:OrxVMOVHjw3lKMa8+x6HeMGkHMQyHDk9E3jmP2AmGiY=